Parkinson’s Disease is a chronic, progressive disorder of the brain belonging to a category of conditions called “motor system disorders.” In this disease, nerve cells of the brain that make the chemical known as dopamine die or become impaired. Dopamine is responsible for transmitting signals from one area of the brain to the next to produce steady, purposeful muscle activity. With a decrease in dopamine production, neurons fire out of control, and a person experiences decreased ability to direct or to control movement. In some people with Parkinson’s, other chemical transmitters, such as norepinephrine, which is involved in controlling the autonomic (involuntary) nervous system, may also be deficient.
Primary symptoms of Parkinson Disease include: tremors, muscle rigidity, slowness of movement, impairment of balance. Secondary symptoms are: fatigue, sleep pattern disturbances, changes in mood & memory, changes in speech & swallowing, and changes in bowel and bladder function.
Boston University School of Medicine
72 East Concord Street, C3
Boston, MA 02118
Phone: 617-638-8466 or 800-651-8466
Email: apdama@apdaparkinson.org
200 SE 1st Street, Suite 800
Miami, Florida 33131
Phone: 305-243-6666
Toll Free HELPLINE: 800-473-4636
Help Line: helpline@parkinson.org
Email: contact@parkinson.org
Grand Central Station
P.O. Box 4777
New York, NY 10163-4777.
Phone: 1-800-708-7644
Contact us
Michael J. Fox Foundation: There is no simple way to deal with the life-changing event of a Parkinson’s diagnosis.
Parkinson’s Foundation: Learn about its symptoms, how it is diagnosed, treated, and most importantly, how to live a better life with Parkinson’s.
National Institute of Neurological Disorders and Stroke: Parkinson’s disease (PD) is movement disorder of the nervous system that gets worse over time.
Fact Sheet last updated on: 8/26/2024
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